Who are you to tell me what I should do ?

How many times have we felt "who are you to tell me what i should do " when our bosses have instructed us to do something. However small the task might have been, say ordering a particular color t-shirt for the team mates, we still feel "damn he dint listen to my decision, he has no taste for design....".

Now invert the situation, imagine you are the boss , how many times would your subordinates be feeling , damn he is not listening to me , he is such a jerk.

Now if you have tight deadlines , a lot to accomplish and you have a subordinate who is as good as you but has very different opinions from you, how will you ensure he doesn't feel that his ideas are not being considered ......